v3.25.2
Earnings (Loss) Per Common Share - Net (Loss) Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 29, 2025
Mar. 30, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 29, 2025
Jun. 30, 2024
Earnings Per Share [Abstract]            
Net earnings (loss) attributable to Hasbro, Inc. $ (855.8) $ 98.6 $ 138.5 $ 58.2 $ (757.2) $ 196.7
Average shares outstanding, basic (in shares) 140.3   139.5   140.0 139.2
Options and other share-based awards (in shares) 0.0   0.5   0.0 0.4
Equivalent shares, diluted (in shares) 140.3   140.0   140.0 139.6
Net earnings (loss) attributable to Hasbro, Inc. per common share, basic (in dollars per share) $ (6.10)   $ 0.99   $ (5.41) $ 1.41
Net earnings (loss) attributable to Hasbro, Inc. per common share, diluted (in dollars per share) $ (6.10)   $ 0.99   $ (5.41) $ 1.41